Between the Seiren V3 Pro and MD 445, the Seiren V3 Pro comes out ahead in type and connection, while the MD 445 wins on max spl. Overall, the Seiren V3 Pro scores 35 and the MD 445 scores 91.2 on our Mars Score.
Which should you buy?
The MD 445 is the clear pick on raw spec strength, leading by 56.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Seiren V3 Pro if you care most about type and connection. The biggest gaps in its favor are type, connection.
Pick the MD 445 if you care most about max spl. Its strongest claims are max spl.
Both ship with comparable polar pattern, so those specs don't separate the two — focus on the differences below.
Bottom line: the MD 445 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Razer - Seiren V3 Pro wins
- ▲Type: Condenser (vs Dynamic).
- ▲Connection: USB (vs XLR).
Why Sennheiser - MD 445 wins
- ▲Max SPL — 30.83% more. 157 dB vs 120 dB.
Spec comparison
Spec
| Spec | Razer - Seiren V3 Pro | Sennheiser - MD 445 |
|---|---|---|
| Type | Condenserlead | Dynamic |
| Polar pattern | Supercardioid | Supercardioid |
| Frequency response | 20Hz–20kHz | 40Hz–20kHz |
| Max SPL | 120 dB | 157 dBlead |
Connectivity
| Spec | Razer - Seiren V3 Pro | Sennheiser - MD 445 |
|---|---|---|
| Connection | USBlead | XLR |
| Headphone out | truelead | false |
Frequently asked
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.